oh... i love that one.
Ah I remember this one.
Ah! One of my favorites! I've been missing Usato so I had to start reading the novel. ╮(￣▽￣)╭
Mind sharing the novel with us?
https://www.readlightnovel.org/chiyu-mahou-no-machigatta-tsukaikata-senjou-wo-kakeru-kaifuku-youin
this is where I read it :)
I recently read a similar manga about a healer (and two others) transported to a different world to fight demons. Here it is if anyone is interested in reading it: http://www.mangago.zone/read-manga/the_wrong_way_to_use_healing_magic/